[INFO] cloning repository https://github.com/wmzhere/cscan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wmzhere/cscan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmzhere%2Fcscan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmzhere%2Fcscan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9217b2d391f11aff672a41329db9f15329b03242
[INFO] testing wmzhere/cscan against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwmzhere%2Fcscan" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wmzhere/cscan on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wmzhere/cscan
[INFO] finished tweaking git repo https://github.com/wmzhere/cscan
[INFO] tweaked toml for git repo https://github.com/wmzhere/cscan written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wmzhere/cscan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.5.4
[INFO] [stderr]   Downloaded field-offset v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 740c666e5d7f56a3923c930d0fc9c2d795ed43d72162c81508c94a8cd509d54c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "740c666e5d7f56a3923c930d0fc9c2d795ed43d72162c81508c94a8cd509d54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740c666e5d7f56a3923c930d0fc9c2d795ed43d72162c81508c94a8cd509d54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740c666e5d7f56a3923c930d0fc9c2d795ed43d72162c81508c94a8cd509d54c", kill_on_drop: false }`
[INFO] [stdout] 740c666e5d7f56a3923c930d0fc9c2d795ed43d72162c81508c94a8cd509d54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c87bb343bb8a5c12c1915dbf37ee5c0fc64b6a7e4ef1c4402a4fec6cc89b2fac
[INFO] running `Command { std: "docker" "start" "-a" "c87bb343bb8a5c12c1915dbf37ee5c0fc64b6a7e4ef1c4402a4fec6cc89b2fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling field-offset v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling capstone-sys v0.10.0 (/opt/rustwide/workdir/deps/capstone-rs/capstone-sys)
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling procfs v0.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling dfuzz-os v0.1.0 (/opt/rustwide/workdir/deps/dfuzz-os)
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> deps/dfuzz-os/src/process.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         if !unsafe { libc::WIFSTOPPED(status) } {
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let signal = unsafe { libc::WSTOPSIG(status) }; // Bits 8-15
[INFO] [stdout]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |         if unsafe { libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling capstone v0.6.0 (/opt/rustwide/workdir/deps/capstone-rs/capstone-rs)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> deps/capstone-rs/capstone-rs/src/arch/arm.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> deps/capstone-rs/capstone-rs/src/arch/arm64.rs:222:10
[INFO] [stdout]     |
[INFO] [stdout] 222 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cfifuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `offset_to_vma`
[INFO] [stdout]   --> src/binary.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn offset_to_vma(&self, offset: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vma_to_offset`
[INFO] [stdout]   --> src/binary.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn vma_to_offset(&self, vma: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single_step`
[INFO] [stdout]   --> src/debugger.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn single_step(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_until`
[INFO] [stdout]   --> src/debugger.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn run_until(&mut self, addrs: &[u64]) -> AMD64RegisterSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u32`
[INFO] [stdout]    --> src/debugger.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn read_u32(&self, addr: u64) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ranges`
[INFO] [stdout]   --> src/range_set.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn ranges(&self) -> &[Range] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/range_set.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn contains(&self, v: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "c87bb343bb8a5c12c1915dbf37ee5c0fc64b6a7e4ef1c4402a4fec6cc89b2fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87bb343bb8a5c12c1915dbf37ee5c0fc64b6a7e4ef1c4402a4fec6cc89b2fac", kill_on_drop: false }`
[INFO] [stdout] c87bb343bb8a5c12c1915dbf37ee5c0fc64b6a7e4ef1c4402a4fec6cc89b2fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae67aead2c04f5a08fa8bcb7fc553f3d5e54eb640687d0660cd29c98756611c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fae67aead2c04f5a08fa8bcb7fc553f3d5e54eb640687d0660cd29c98756611c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> deps/capstone-rs/capstone-rs/src/arch/arm.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> deps/capstone-rs/capstone-rs/src/arch/arm64.rs:222:10
[INFO] [stdout]     |
[INFO] [stdout] 222 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> deps/dfuzz-os/src/process.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         if !unsafe { libc::WIFSTOPPED(status) } {
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let signal = unsafe { libc::WSTOPSIG(status) }; // Bits 8-15
[INFO] [stdout]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> deps/dfuzz-os/src/process.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |         if unsafe { libc::WIFCONTINUED(status) } {
[INFO] [stdout]     |            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cfifuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `offset_to_vma`
[INFO] [stdout]   --> src/binary.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn offset_to_vma(&self, offset: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vma_to_offset`
[INFO] [stdout]   --> src/binary.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn vma_to_offset(&self, vma: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single_step`
[INFO] [stdout]   --> src/debugger.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn single_step(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_until`
[INFO] [stdout]   --> src/debugger.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn run_until(&mut self, addrs: &[u64]) -> AMD64RegisterSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_u32`
[INFO] [stdout]    --> src/debugger.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn read_u32(&self, addr: u64) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ranges`
[INFO] [stdout]   --> src/range_set.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn ranges(&self) -> &[Range] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/range_set.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn contains(&self, v: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "fae67aead2c04f5a08fa8bcb7fc553f3d5e54eb640687d0660cd29c98756611c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae67aead2c04f5a08fa8bcb7fc553f3d5e54eb640687d0660cd29c98756611c", kill_on_drop: false }`
[INFO] [stdout] fae67aead2c04f5a08fa8bcb7fc553f3d5e54eb640687d0660cd29c98756611c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c15e47d3cd81a5634803020d525b32a4a5268ec99a817b3f8740f44615facf31
[INFO] running `Command { std: "docker" "start" "-a" "c15e47d3cd81a5634803020d525b32a4a5268ec99a817b3f8740f44615facf31", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> deps/capstone-rs/capstone-rs/src/arch/arm.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> deps/capstone-rs/capstone-rs/src/arch/arm64.rs:222:10
[INFO] [stderr]     |
[INFO] [stderr] 222 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> deps/dfuzz-os/src/process.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> deps/dfuzz-os/src/process.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if !unsafe { libc::WIFSTOPPED(status) } {
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> deps/dfuzz-os/src/process.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let signal = unsafe { libc::WSTOPSIG(status) }; // Bits 8-15
[INFO] [stderr]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> deps/dfuzz-os/src/process.rs:222:12
[INFO] [stderr]     |
[INFO] [stderr] 222 |         if unsafe { libc::WIFCONTINUED(status) } {
[INFO] [stderr]     |            ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `offset_to_vma`
[INFO] [stderr]   --> src/binary.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn offset_to_vma(&self, offset: u64) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vma_to_offset`
[INFO] [stderr]   --> src/binary.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn vma_to_offset(&self, vma: u64) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `single_step`
[INFO] [stderr]   --> src/debugger.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn single_step(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run_until`
[INFO] [stderr]   --> src/debugger.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn run_until(&mut self, addrs: &[u64]) -> AMD64RegisterSet {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_u32`
[INFO] [stderr]    --> src/debugger.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn read_u32(&self, addr: u64) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ranges`
[INFO] [stderr]   --> src/range_set.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn ranges(&self) -> &[Range] {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains`
[INFO] [stderr]   --> src/range_set.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn contains(&self, v: u64) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cfifuzz-b6601e3cf5aa089a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test range_set::test_elements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c15e47d3cd81a5634803020d525b32a4a5268ec99a817b3f8740f44615facf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15e47d3cd81a5634803020d525b32a4a5268ec99a817b3f8740f44615facf31", kill_on_drop: false }`
[INFO] [stdout] c15e47d3cd81a5634803020d525b32a4a5268ec99a817b3f8740f44615facf31